Was obtainable through different methods, but you had to use different
methods depending on the implementation of Entity you were working with.

@@ -0,0 +128,4 @@
+-        SeedCommand.register(this.dispatcher, environment != Commands.CommandSelection.INTEGRATED);
+-        SetBlockCommand.register(this.dispatcher, commandRegistryAccess);
+-        SetSpawnCommand.register(this.dispatcher);
++        ListPlayersCommand.register(this.dispatcher);        //LocateCommand.register(this.dispatcher, commandRegistryAccess);

@@ -0,0 +195,4 @@
+-            SetPlayerIdleTimeoutCommand.register(this.dispatcher);
++            //SetPlayerIdleTimeoutCommand.register(this.dispatcher);
+             StopCommand.register(this.dispatcher);
+             TransferCommand.register(this.dispatcher);

@@ -0,0 +214,4 @@
+         io.papermc.paper.util.ObfHelper.INSTANCE.getClass(); // Paper - load mappings for stacktrace deobf and etc.
+         // Paper start - initialize global and world-defaults configuration
++        try {
++            Main.paperConfig.get();

@@ -0,0 +269,4 @@
++                if(value.getFirst().equals(entries))
++                    return (RTree<T>) value.getSecond();
++            }
++            //System.out.println("Entries " + entries.size() + " " + entries.hashCode());

@@ -0,0 +104,4 @@
+         io.papermc.paper.util.ObfHelper.INSTANCE.getClass(); // Paper - load mappings for stacktrace deobf and etc.
+         // Paper start - initialize global and world-defaults configuration
+-        try {
+-            Main.paperConfig.get();

@@ -0,0 +114,4 @@
+         this.paperConfigurations.initializeWorldDefaultsConfiguration(this.registryAccess());
+         // Paper end - initialize global and world-defaults configuration
+diff --git a/src/main/java/net/minecraft/util/datafix/fixes/BlockStateData.java b/src/main/java/net/minecraft/util/datafix/fixes/BlockStateData.java
+index 6b1af6df2427a6c2f7954c89935bf33279d58204..51f32a847c954846fb0c18e802287a26d507ee9f 100644

@@ -0,0 +9792,4 @@
+                 .setValue(WEST_WALL, WallSide.NONE)
+                 .setValue(WATERLOGGED, Boolean.valueOf(false))
+         );
+-        this.shapeByIndex = this.makeShapes(4.0F, 3.0F, 16.0F, 0.0F, 14.0F, 16.0F);

@@ -0,0 +9828,4 @@
+-                            builder.put(ImmutableMap.of(UP, boolean_, EAST_WALL, wallSide, WEST_WALL, wallSide3, NORTH_WALL, wallSide2, SOUTH_WALL, wallSide4, WATERLOGGED, Boolean.FALSE), voxelShape10);
+-                            builder.put(ImmutableMap.of(UP, boolean_, EAST_WALL, wallSide, WEST_WALL, wallSide3, NORTH_WALL, wallSide2, SOUTH_WALL, wallSide4, WATERLOGGED, Boolean.TRUE), voxelShape10);
++                            builder.put(hashWallState(wallSide, wallSide2, wallSide4, boolean_, Boolean.FALSE, wallSide3), voxelShape10);
++                            builder.put(hashWallState(wallSide, wallSide2, wallSide4, boolean_, Boolean.TRUE , wallSide3), voxelShape10);

@@ -0,0 +9880,4 @@
+             list.add(stateHolderx);
+ 
+-            stateHolder.populateNeighbours(table, table.put(immutableMap, stateHolder));
++            int index = table.put(reference2ObjectArrayMap, stateHolderx);

@@ -0,0 +9885,4 @@
++            stateHolderx.populateNeighbours(table, index);
+         });
+ 
+         this.states = ImmutableList.copyOf(list);